To gain and maintain at the same time, popularly used in the Stokesocracy. This word was created in the classroom of Stokesocracy and is very popular there.
The country gaintained during the war. Gaintaining is used to showthat the country maintained their land and gain more land during the war.
Pain causing or resulting from gain. The pain you feel that's not discouraging, but encouraging because it's full of pride and passion so highly related to gain you see it as the result of gain or its precursor.
I'm stoked. I'm sore AF and tired, but it's gain pain.
I'm doing great. I've beenstudying 12 hours a day for a week, but it's gain pain.